ICE The book I chose to read is Frozen Earth: Explaining the Ice Age by R. V. Fodor‚ the associate Professor of Geology at North Carolina State University. It presents the recent discoveries and history of the ice age in an easy-understanding and accessible way. He first begins with a little background of ice ages. He then talks about glaciers and how they form and act. Then he talks about the different theories of how this happened. He concludes with speaking of the future and the climate
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WJEC CBAC AS/A LEVEL GCE in Chemistry REVISION AID UNIT 1 AS UNIT CH1 – Controlling and Using Chemical Changes (in order to make things‚ produce energy and solve environmental problems) Preamble This unit begins with some important fundamental ideas about atoms and the use of the mole concept in calculations. Three key principles governing chemical change are then studied‚ viz. the position of equilibrium between reactants and products‚ the energy changes associated with a
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Air Bag An airbag is a vehicle safety device. It is an occupant restraint consisting of a flexible envelope designed to inflate rapidly during an automobilecollision‚ to prevent occupants from striking interior objects such as the steering wheel or a window. Modern vehicles may contain multiple airbags in various side and frontal locations of the passenger seating positions‚ and sensors may deploy one or more airbags in an impact zone at variable rates based on the type and severity of
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Greenhouse Effect and Global Warming Today‚ at the down of 21st century‚ together with the 20th century‚ especially the second half‚ is the time when Earth’s environment change at the very rapid rate. Humans have lived on this planet for thousands of years. I think now is the time to think how do we impact the place where we live‚ and the only place where we can live. The impact of human race on the natural processes of our planet has now reached the levels that are now global‚ not local
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Sir Isaac Newton was an English mathematician and physicist‚ considered one of the greatest scientists in history. He made important contributions to many fields of science. His discoveries and theories laid the foundation for much of the progress in science. Newton was one of the inventors of a mathematics called calculus. He also solved the mysteries of light and optics‚ formulated the three laws of motion‚ and derived from them the law of universal gravitation. Newton
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There are four major factors when it comes to nature causing climate changes; volcanic eruptions‚ ocean currents‚ earth orbital changes‚ and solar variations. There are three major factors when it comes to humans causing climate changes; transportation‚ deforestation‚ and fossil fuels to generate energy. Volcanic eruptions can cause the climate to change. When a volcano erupts tiny particles called aerosols shoot into the atmosphere. These tiny particles reflect solar energy into space and cool
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indicated movement of’ electrons. 2a. (5 pts) Which of the following species is a resonance form of compound LA YM NAME: 2b. (3 pts) Identify the atomic orbitals in the C-N sigma bond in the oxime shown below? É A)(zsp2‚2sp2) B)(2Sp3‚2sp3) C)(25p‚2sp) D)(2sp2‚2sp3) E) (25p‚ ls) 2c. (2 pts) Identify the atomic orbital that_ the lone pair electrons on N atom are contained in for the oXime shown in problem 2b? A) 2592 B) 25133 C) 23p D) 2s E) 2p 2d. (3 pts) Which of the
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satellite was Sputnik 1‚ launched by the Soviet Union on October 4‚ 1957‚ and initiating the Soviet Sputnik program‚ with Sergei Korolev as chief designer. Sputnik 1 helped to identify the density of high atmospheric layers through measurement of its orbital change and provided data on radio-signal distribution in the ionosphere. Satellites can be classified by their functions. Satellites are launched into space to do a specific job. The type of satellite that is launched to monitor cloud patterns for
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Satellite imagery The first images from space were taken on the sub-orbital V-2 rocket flight launched by the U.S. on October 24‚ 1946. Satellite imagery consists of images of Earth or other planets collected by artificial satellites. History[edit] The satellite images were made from pixels. The first crude image taken by the satellite Explorer 6 shows a sunlit area of the Central Pacific Ocean and its cloud cover. The photo was taken when the satellite was about 17‚000 mi (27‚000
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reminders: A base is an electron pair donor and an acid is an electron pair acceptor. Ligands like water‚ can donate a pair of non-bonding electrons (lone pair) into a vacant orbital of a central metal ion and so dative covalent (co-ordinate) bonds hold a complex together. The central metal ion with vacant bonding orbitals can act as a Lewis acid. Ligands act as Lewis bases by electron pair donation to form the metal-ligand bond. Bronsted-Lowry acid-base theory reminders (essentially a sub-set
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